🖨️🔌 Delta ADP‑12UB Power Adapter
(30V DC • 0.4A • 12W • Proprietary Lexmark/Compaq Connector)
This compact adapter delivers 30V of regulated DC power at 0.4A (12W). It uses a specialized connector designed for Lexmark and Compaq inkjet printers, especially in the Z‑series and IJ‑series.
🔧 Charger Form
- Input: 100–125V AC, 50/60Hz
- Output: 30V DC @ 0.4A (12W)
- Connector: Proprietary Lexmark/Compaq plug (not barrel or DIN)
- Common part numbers: ADP‑12UB, 14D0300, DLD010428
🖥️ Compatible Devices
🟦 Lexmark Inkjet Printers
- Lexmark Z23, Z25, Z33, Z35
- Lexmark Z605, Z615
🟦 Compaq Branded Lexmark Printers
- Compaq IJ600, IJ650
✅ Common Uses
- 🔌 Powering Lexmark Z‑series and Compaq IJ‑series inkjet printers
- 🧩 Replacing lost or damaged OEM ADP‑12UB bricks
- 🧪 Supporting restoration of compact Lexmark/Compaq printers
- 🧵 Essential entry for Lexmark’s low‑voltage power ecosystem
🧠 Signal Format
- ⚡ Input: 100–125V AC
- 🔋 Output: Regulated 30V DC, 0.4A
- 🔌 Connector: Proprietary Lexmark/Compaq plug
- 🔁 Not interchangeable with 12V or 24V adapters from other printer families
⚠️ Things to Watch Out For
- 📉 Must be 30V — lower voltages won’t power the printer; higher voltages may damage it
- 🔌 Connector is not barrel or DIN — only fits Lexmark/Compaq jacks
- 🧯 Always confirm “DC IN 30V” and connector shape before substitution
- 📏 Some Lexmark printers use 12V or 24V — verify model before use
🛠️ Quick Tips for Beginners
- 🔌 Confirm connector: proprietary Lexmark/Compaq, not barrel
- 🧪 If printer won’t power on, inspect plug for corrosion or misalignment
- 🧯 Label clearly to avoid mix‑ups with 12V or 24V printer adapters
- 🧵 Keep this entry in your Lexmark/Compaq power catalog


